appmanifest/id-member/id-member-manifest-update-v1.webmanifest

{
  "name": "id member test",
  "id": "/testId",
  "start_url": "id-member-manifest-update-manual-v1.html",
  "icons": [
    {
      "src": "icon.png",
      "sizes": "256x256",
      "type": "image/png"
    }
  ],
  "display": "standalone"
}